ChumianWomen Waist Trainer Corset Firm Control Shapewear Slim Full Body Shaper Open Bust Bodysuit

What is the material like on the under garment? Is it thick & tight? Does this product come with both garments as pictured? Thank you

If my uk size 8or10, which size should I choos?e

Hi can I return this if it doesn’t fit and I’ve tried it on just the once to see if it’s fits?

Is the 3xl too big for a size 18/20?